Sennheiser HMD 26-II-600-X3K1 Dual-Ear Boomset With 600 Ohm Stereo Impedance And Hypercardioid Dynamic Mic, Plus XLR-3 Connector And 1/4" (6.3mm) Jack Plug Copper Cable | Full Compass Systems
Sennheiser Interpreter Headset with two 3.5mm plug - Translation Equipment
Sennheiser HD650 Reference Class Stereo Headphones
GAME ZERO from EPOS | Extreme audio in a classic stereo headset
Amazon.com: Sennheiser SC 135 USB (508316) - Single-Sided (Monaural) Headset for Business Professionals | with HD Stereo Sound, Noise-Canceling Microphone, & USB Connector (Black), Adjustable : Electronics
Sennheiser RS 175 RF Wireless Headphone System review: Premium wireless headphones for TV watching - CNET
Sennheiser PC 8 USB PC On-ear headset Corded (1075100) Stereo Black Noise cancelling Microphone mute | Conrad.com
RS 120-W – Sennheiser
Amazon.com: Sennheiser PC 8.2 USB On-Ear Headset With In-Line Volume Control - Secure Fit Headband - No Slippage - Passive Noise-Cancellation Adjustable Microphone - for Internet Telephone Users and E-Learners : Video
Sennheiser SC 30 USB ML Culture Series Wideband Stereo Headset for PC Mac 504546 | eBay